16. To create the roof, let us the draw a 'plane' the same as the one used for the floor and let us divide this 'plane' into 'faces' according to the roof's structure. Let us select the points that will become the very top of the roof and pull them upwards.

17. First let us choose the flat parts of the roof and 'connect' them together. While doing this, let us not forget that the space between the 'faces' need to be the size of a roof tile.

18. After having created the glass for our window, let us then copy them to their places.